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IJFTR Vol.32 [2007] >
IJFTR Vol.32(2) [June 2007] >


Title: Crystal and molecular structures of raw bivoltine silk fibre—A comparative study
Authors: Mahesh, S S
Keywords: Bombyx mori
Crystal structure
β-pleated structure
Silk
Issue Date: Jun-2007
Publisher: CSIR
IPC CodeInt.Cl.⁸ G01N23/00
Abstract: Crystal and molecular structural analysis of raw bivoltine silk fibre (Bombyx mori) has been made using Linked-Atom Least-Squares technique. It is observed that the unit cell consists of four molecular chains with the space unit cell parameters (a=9.4Å, b=9.2Å and c(fibre axis)=6.97Å with =90o) and the space group P21. The molecular modification is essentially same as β-pleated structure with antipolar-antiparallel arrangements formed by hydrogen bonds. The essential differences observed in structure, such as intermolecular distance and fractional coordinates, are discussed in detail in comparison with crystal structure of raw pure Mysore silk fibres.
Page(s): 143-149
ISSN: 0971-0426
Source:IJFTR Vol.32(2) [June 2007]

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